CN114515536A - Preparation method of noctilucent paint applied to traffic guardrail - Google Patents
Preparation method of noctilucent paint applied to traffic guardrail Download PDFInfo
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- CN114515536A CN114515536A CN202210190324.0A CN202210190324A CN114515536A CN 114515536 A CN114515536 A CN 114515536A CN 202210190324 A CN202210190324 A CN 202210190324A CN 114515536 A CN114515536 A CN 114515536A
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Abstract
The invention discloses a preparation method of a noctilucent paint applied to a traffic guardrail, which comprises the following steps: A. selecting noctilucent powder and coating, wherein the weight ratio of the noctilucent powder to the coating is 1: 1-1: 4; B. adding the noctilucent powder into the stirrer, adding the coating until the coating completely covers the noctilucent powder, and standing for 0.5-1 h; C. adding the rest coating into a stirrer and stirring uniformly; the noctilucent paint prepared by the method has few bubbles inside, stable quality, attractive appearance after being coated on a traffic guardrail and good effect.
Description
Technical Field
The invention relates to the technical field of preparation of luminous paint, in particular to a preparation method of luminous paint applied to a traffic guardrail.
Background
The noctilucent coating is a mixture of noctilucent powder and coating (transparent ink or transparent paint) and the like, and during preparation, noctilucent powder with small particle size is generally selected, so that the prepared product is smooth and cannot generate precipitates due to large specific gravity of the noctilucent powder. The existing noctilucent powder is often provided with more bubbles inside in the process of preparing and mixing with the coating, so that pockmarks can be left when the noctilucent coating is coated on traffic guardrails or other objects, and the whole body is not beautiful enough.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the preparation method of the noctilucent paint applied to the traffic guardrail, and the noctilucent paint prepared by the method has the advantages of less bubbles in the interior, stable quality, attractive appearance after being coated on the traffic guardrail and good effect.
A preparation method of a noctilucent paint applied to traffic guardrails comprises the following steps: A. selecting noctilucent powder and paint, wherein the weight ratio of the noctilucent powder to the paint is 1: 1-1: 4;
B. adding the noctilucent powder into the stirrer, adding the coating until the coating completely covers the noctilucent powder, and standing for 0.5-1 h;
C. adding the rest coating into a stirrer and stirring uniformly.
Preferably, the coating is a clear ink or a clear paint.
Preferably, the stirrer comprises a stirring tank 1, a stirring motor, an annular table 4, a first annular plate 5 and a second annular plate 6, wherein an inner cavity of the stirring tank 1 is cylindrical, a rotating shaft 2 is rotatably arranged on the top wall of the stirring tank 1, the top end of the rotating shaft 2 is connected with an output shaft of the stirring motor, a plurality of rotating sheets 3 are connected onto the rotating shaft 2, the rotating sheets 3 are positioned in the inner cavity of the stirring tank 1, and the stirring motor is started to drive the rotating shaft 2 and the rotating sheets 3 to rotate to generate clockwise horizontal rotating airflow;
The top wall of the annular table 4 is connected with the inner top wall of the stirring tank 1, the outer circumferential wall of the annular table 4 is connected with the inner circumferential wall of the stirring tank 1, the inner wall of the annular table 4 is integrally inclined downwards in the direction from the inner side to the outer side, the outer wall of the first annular plate 5 is connected with the inner wall of the annular table 4, the inner diameter of the first annular plate 5 is smaller than the inner diameter of the top end of the annular table 4, the top wall of the first annular plate 5 is provided with a first annular groove 11, the second annular plate 6 is positioned below the first annular plate 5 and the annular table 4, the outer circumferential wall of the second annular plate 6 is connected with the inner circumferential wall of the stirring tank 1, the inner diameter of the second annular plate 6 is smaller than the outer diameter of the first annular plate 5, the top wall of the second annular plate 6 is provided with a second annular groove 12, the bottom end of the rotating sheet 3 is lower than the second annular plate 6, and the top end of the rotating sheet 3 is higher than the first annular plate 5;
the bottom wall of the first annular groove 11 is provided with a first exhaust hole, a middle exhaust pipe 8 is fixed in the middle of the bottom wall of the stirring tank 1, the top end of the middle exhaust pipe 8 is connected with an air inlet pipe 9, the top end of the air inlet pipe 9 is connected with the first exhaust hole, the middle exhaust pipe 8 is connected with a plurality of arc exhaust pipes 13, the arc exhaust pipes 13 are longitudinally distributed, the arc exhaust pipes 13 are horizontally arranged, and gas entering the arc exhaust pipes 13 from the middle exhaust pipe 8 is exhausted after clockwise moving in the arc exhaust pipes 13;
The bottom wall of the stirring tank 1 is provided with a plurality of exchange tubes 10, the top ends of the exchange tubes 10 are communicated with a second annular groove 12, the exchange tubes 10 are connected with arc-shaped feeding tubes 14 and arc-shaped discharging tubes 15 which are horizontally arranged, the arc-shaped feeding tubes 14 are positioned above the arc-shaped discharging tubes 15, solution moves clockwise to enter the arc-shaped feeding tubes 14 and then enters the arc-shaped discharging tubes 15 through the exchange tubes 10, the solution is discharged after clockwise moving from the arc-shaped discharging tubes 15, the heights of the arc-shaped feeding tubes 14 on the exchange tubes 10 are different, the heights of the arc-shaped discharging tubes 15 on the exchange tubes 10 are different, electromagnetic valves are arranged at the top ends of the exchange tubes 10, the exchange tubes 10 are divided into two groups, and the electromagnetic valves on the two groups of exchange tubes 10 are alternately opened;
the inlet pipe 7 passes through the roof of agitator tank 1 and gets into the inner chamber of agitator tank 1, and the bottom of inlet pipe 7 is located second annular plate 6 below, is provided with feed valve on the inlet pipe 7, and open agitator tank 1 bottom has the relief hole, and the relief hole department is provided with the discharge valve.
Preferably, the arc exhaust pipe 13 is provided with a check valve, and the check valve allows the gas to be exhausted from the arc exhaust pipe 13.
Preferably, a plurality of independent air exhaust channels are arranged in the middle exhaust duct 8, one arc exhaust duct 13 is communicated with one of the air exhaust channels, and the arc exhaust ducts 13 correspond to the air exhaust channels one by one.
Preferably, the stirring tank 1 is made of glass or plastic.
Preferably, an air pressure sensor is arranged in the inner cavity of the stirring tank 1.
Preferably, the outer bottom wall of the mixing tank 1 is provided with heating means.
The invention has the beneficial effects that: in the technical scheme, in the process of mixing the noctilucent powder and the coating, the coating is added until the coating completely covers the noctilucent powder, the mixture is placed for 0.5h-1h, the covering degree of the coating on the noctilucent powder is lower at the moment, the residual coating is added after the gas is discharged, and the mixture is stirred, so that fewer bubbles are generated in the produced noctilucent coating, the quality is stable, the coating is integrally attractive after being coated on a traffic guardrail, and the effect is better.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a front view of a section of a stirring tank of the present invention.
In the attached figure, 1-a stirring tank, 2-a rotating shaft, 3-a rotating sheet, 4-an annular table, 5-a first annular plate, 6-a second annular plate, 7-a feeding pipe, 8-a middle exhaust pipe, 9-an air inlet pipe, 10-an exchange pipe, 11-a first annular groove, 12-a second annular groove, 13-an arc exhaust pipe, 14-an arc feeding pipe and 15-an arc discharging pipe.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Example 1
The embodiment provides a preparation method of a noctilucent paint applied to a traffic guardrail, which comprises the following steps: A. selecting noctilucent powder and coating, wherein the weight ratio of the noctilucent powder to the coating is 1: 1-1: 4; B. adding the noctilucent powder into the stirrer, adding the coating until the coating completely covers the noctilucent powder, and standing for 0.5-1 h; C. adding the rest coating into a stirrer and stirring uniformly.
The coating in this example is a clear ink or a clear paint.
Traditional preparation technology at first adds the agitator with quantitative night light powder is whole, then with coating all add in the agitator, mix the stirring, this kind of mode is because there is the air between the powder of night light powder when beginning, directly adds the coating and mixes the stirring back with whole, and the coating covers the night light powder comparatively rigorously, leads to the unable discharge of gas between the night light powder, and the night light coating inside that produces like this possesses more bubble. In the technical scheme, in the process of mixing the noctilucent powder and the coating, the coating is firstly added until the coating completely covers the noctilucent powder, the mixture is placed for 0.5h-1h, the covering degree of the coating on the noctilucent powder is lower at the moment, the residual coating is added after most of gas among the noctilucent powder is discharged, and the mixture is stirred.
The prepared luminous paint can continuously emit light for more than several hours in the dark after absorbing sunlight or natural light for a certain time. Has high heat resistance and wear resistance, and is suitable for the surfaces of various papers, textiles, woodware, plastics, metals, pottery and the like.
In a specific use process, different types of coatings are selected according to different printing materials: if the printing stock is a metal material, the metal printing ink is selected, and if the printing stock is a PVC material, the PVC printing ink is selected.
When the noctilucent paint is used for printing, the viscosity of the paint is 3000-5000 poise, and the viscosity of the ink is adjusted by using a thinner according to the printing speed. The brightness and the luminescence time of the printed pattern can be improved by using a white substrate under the luminescent coating or directly printing the white substrate. If the color of the bottom layer is dark, the brightness of the luminous is reduced, the minimum thickness of the coating is not less than 100um for obtaining a luminous pattern with ideal brightness, and because the ink layer of the silk screen printing with lower mesh number is thicker, a silk screen with 80-120 meshes is more ideal for obtaining a pattern with more ideal luminous effect.
For obtaining the best luminous effect, the selection of the coating is important, and the coating which is colorless and transparent, has good light transmittance, especially good ultraviolet transmittance, and also needs to have good adhesion, such as alkyd, acrylic and epoxy resin paints or inks.
The other noctilucent powder can not contact with water, and can absorb moisture to cause loss of luminescence property, so that the noctilucent powder is prepared into water-based ink or paint for on-site use.
After the luminous traffic guardrail is applied to the traffic guardrail, when the luminous traffic guardrail is irradiated by natural light and lamplight, part of light energy is absorbed and stored, and the light energy is slowly released in the form of visible light in the dark. The luminescent material can automatically emit light for more than 12 hours in the dark after being illuminated for 5 minutes. The processes of light absorption and light emission can be repeated, and the light emission life can reach more than 20 years. The fluorescent powder has the advantages of short excitation time, long luminescence and afterglow time, high brightness, extremely stable physical and chemical properties, extremely strong environmental adaptability, extremely long service life, safety, reliability, energy conservation and environmental protection.
Example 2
The embodiment is further limited on the basis of embodiment 1, as shown in fig. 1, the agitator in this embodiment includes an agitator tank 1, an agitator motor, an annular table 4, a first annular plate 5 and a second annular plate 6, an inner cavity of the agitator tank 1 is cylindrical, a rotating shaft 2 is rotatably disposed on a top wall of the agitator tank 1, a top end of the rotating shaft 2 is connected with an output shaft of the agitator motor, a plurality of rotating blades 3 are connected to the rotating shaft 2, the rotating blades 3 are located in the inner cavity of the agitator tank 1, and the agitator motor is started to drive the rotating shaft 2 and the rotating blades 3 to rotate to generate clockwise and horizontal rotating airflow;
The top wall of the annular table 4 is connected with the inner top wall of the stirring tank 1, the outer circumferential wall of the annular table 4 is connected with the inner circumferential wall of the stirring tank 1, the inner wall of the annular table 4 is integrally inclined downwards in the direction from the inner side to the outer side, the outer wall of the first annular plate 5 is connected with the inner wall of the annular table 4, the inner diameter of the first annular plate 5 is smaller than the inner diameter of the top end of the annular table 4, the top wall of the first annular plate 5 is provided with a first annular groove 11, the second annular plate 6 is positioned below the first annular plate 5 and the annular table 4, the outer circumferential wall of the second annular plate 6 is connected with the inner circumferential wall of the stirring tank 1, the inner diameter of the second annular plate 6 is smaller than the outer diameter of the first annular plate 5, the top wall of the second annular plate 6 is provided with a second annular groove 12, the bottom end of the rotating sheet 3 is lower than the second annular plate 6, and the top end of the rotating sheet 3 is higher than the first annular plate 5;
the bottom wall of the first annular groove 11 is provided with a first exhaust hole, a middle exhaust pipe 8 is fixed in the middle of the bottom wall of the stirring tank 1, the top end of the middle exhaust pipe 8 is connected with an air inlet pipe 9, the top end of the air inlet pipe 9 is connected with the first exhaust hole, the middle exhaust pipe 8 is connected with a plurality of arc exhaust pipes 13, the arc exhaust pipes 13 are longitudinally distributed, the arc exhaust pipes 13 are horizontally arranged, and gas entering the arc exhaust pipes 13 from the middle exhaust pipe 8 is exhausted after clockwise moving in the arc exhaust pipes 13;
A plurality of exchange tubes 10 are arranged on the bottom wall of the stirring tank 1, the top ends of the exchange tubes 10 are communicated with a second annular groove 12, arc-shaped feeding tubes 14 and arc-shaped discharging tubes 14 which are horizontally arranged are connected onto the exchange tubes 10, the arc-shaped feeding tubes 14 are positioned above the arc-shaped discharging tubes 14, solution moves clockwise to enter the arc-shaped feeding tubes 14, then enters the arc-shaped discharging tubes 14 through the exchange tubes 10, moves clockwise from the arc-shaped discharging tubes 14 and is discharged, the heights of the arc-shaped feeding tubes 14 on the exchange tubes 10 are different, the heights of the arc-shaped discharging tubes 14 on the exchange tubes 10 are different, electromagnetic valves are arranged on the top ends of the exchange tubes 10, the exchange tubes 10 are divided into two groups, and the electromagnetic valves on the two groups of exchange tubes 10 are alternately opened;
the inlet pipe 7 passes through the roof of agitator tank 1 and gets into the inner chamber of agitator tank 1, and the bottom of inlet pipe 7 is located second annular plate 6 below, is provided with feed valve on the inlet pipe 7, and open agitator tank 1 bottom has the relief hole, and the relief hole department is provided with the discharge valve.
Clockwise in this technical solution refers to a view angle from top to bottom.
At the stirring in-process that carries out night light powder and coating, current agitator all adopts the (mixing) shaft to drive stirring vane and gets into and stirs in mixing the liquid, and this kind of stirring mode (mixing) shaft and stirring vane can contact with night light powder a large amount at high-speed pivoted in-process to cause night light powder to be by continuous grinding breakage, and then lead to the unstable nature of night light powder, night light coating effect after the mixture is not good.
In the technical scheme, a stirring motor, a rotating shaft 2, a rotating sheet 3, an annular table 4, a first annular plate 5 and a second annular plate 6 are arranged; at agitator motor during operation, it rotates to drive axis of rotation 2, and then drive rotor plate 3 and rotate, rotor plate 3 rotates the air current that produces clockwise horizontal rotation, when the air current has certain speed, can drive the solution of its below and rotate on the horizontal direction, thereby realize mixing, do not need rotor plate 3 and solution contact like this, also can realize the mixture of solution, rotor plate 3 not contacts with night light powder, can not lead to the fact the grinding to night light powder, thereby guarantee the in-process of night light powder and coating mixture, the stability of night light powder nature, and the air current drives solution horizontal pivoted in-process, solution can not take place a large amount of oscillations in upper and lower direction, thereby reduce the contact of solution oscillation back with rotor plate 3, prevent that solution from contacting with rotor plate 3 after oscillating and grinding night light powder, and guarantee mixing process's stability.
Because rotor plate 3 rotates the horizontal rotation and produces the rotatory air current of horizontal direction, consequently the air current under rotor plate 3 is few, leads to the speed of the solution motion at agitator tank 1 inner chamber middle part extremely slow like this, the inefficiency of mixing to the movement speed of solution bottom is slow, and the effect of upper and lower mixture is not good in the solution, leads to the effect of whole mixture not good.
In the embodiment, the inner wall of the annular table 4 is integrally inclined downwards from the inner side to the outer side, the height of the bottom end of the rotating sheet 3 is lower than that of the second annular plate 6, and the height of the top end of the rotating sheet 3 is higher than that of the first annular plate 5; therefore, when the stirring motor works, the air flow generated by the part of the rotating sheet 3 positioned below the second annular plate 6 drives the solution below the second annular plate to rotate, the air flow generated by the part of the rotating sheet 3 positioned above the first annular plate 5 contacts with the inner wall of the annular table 4 and then turns to move downwards, enters the air inlet pipe 9 through the first annular groove 11, then enters the middle exhaust pipe 8 and is exhausted through the arc exhaust pipe 13, and the air exhausted from the arc exhaust pipe 13 has a clockwise speed, so that the rotation of the solution in the middle of the stirring tank 1 can be accelerated, the solution in the middle is more fully mixed, and meanwhile, because the air direction exhausted by the arc exhaust pipe 13 is consistent with the turning direction of the solution movement, the solution can be prevented from largely oscillating in the up and down direction, and is prevented from contacting with the rotating sheet 3 to grind the noctilucent powder after oscillating;
the air current that the rotor 3 part between first annular plate 5 and the second annular plate 6 produced turns to downstream after contacting with the inner wall of annular platform 4, enter into exchange tube 10 through second ring channel 12, the solution in agitator tank 1 enters from arc inlet pipe 14, then receive the wind-force effect that enters into exchange tube 10, the solution that the extrusion got into discharges from arc row material pipe 15 and discharges, thereby realize the upper and lower exchange of solution in agitator tank 1 and mix, because the solution that discharges from arc row material pipe 15 has the speed of the clockwise direction, therefore can also accelerate the rotation of solution in the middle part of agitator tank 1, make the mixing of solution more abundant, because the solution motion that arc row material pipe 15 discharges turns to with the solution motion unanimously at the same time, can avoid the solution to take place a large amount of oscillations in the upper and lower direction, can reduce the oscillation of solution while realizing the upper and lower mixing of solution like this, the solution is prevented from contacting with the rotating sheet 3 to grind the noctilucent powder after shaking, the arc-shaped feeding pipes 14 on different exchange pipes 10 are different in height, and the arc-shaped discharging pipes 15 on different exchange pipes 10 are different in height, so that the mixing of the solution in the stirring tank 1 at all heights can be realized, and the arc-shaped feeding pipes 14 and the arc-shaped discharging pipes 15 are horizontally arranged, so that the exchange mixing of the solution can also be realized in the horizontal direction; the reason why the exchange tube 10 needs to be filled with gas is that the solution entering the exchange tube 10 from the arc-shaped feeding tube 14 is blocked by the inner wall of the exchange tube 10 and moves downwards very slowly during the rotation process of the solution, if the solution is not driven by external force, so that the solution exchange effect in the up-and-down direction is very poor; here divide into two sets with many exchange tubes 10, the solenoid valve on two sets of exchange tubes 10 is opened in turn, its reason is, when the air current that exchange tube 10 got into has certain intensity, atmospheric pressure can block the solution that gets into exchange tube 10 from arc inlet pipe 14, lead to in the unable entering exchange tube 10 of solution, set up the solenoid valve clearance in the exchange tube 10 and open, guarantee when the solenoid valve is closed that solution can normally get into exchange tube 10 through arc inlet pipe 14 in, then air current extrusion solution discharges from arc row material pipe 15 when the solenoid valve is opened, thereby guarantee the up-and-down mixture of solution.
Because first annular slab 5 and second annular slab 6 block the air current through 4 inner walls downstream of annular platform, prevent that decurrent air current from mixing with the air current of horizontal motion, cause the air current motion unstable, thereby arouse solution to vibrate in a large amount of upper and lower directions, the intensive mixing of night light powder and coating can be realized to this structure, and can not lead to the fact the grinding to night light powder, can also reduce the upper and lower vibration in the solution mixing process when carrying out the upper and lower exchange of solution simultaneously and mixing.
In this embodiment, the arc exhaust pipe 13 is provided with a check valve, and the check valve allows gas to be exhausted from the arc exhaust pipe 13.
In this embodiment, the middle exhaust duct 8 has a plurality of independent exhaust channels therein, one arc exhaust duct 13 is communicated with one of the exhaust channels, and the arc exhaust ducts 13 correspond to the exhaust channels one by one. Under the condition of only adopting an air exhaust channel, the air current can be discharged from the arc exhaust pipe 13 at the top in a large number, and the arc exhaust pipe 13 air current that leads to the bottom is less, has a plurality of independent air exhaust channels in the middle part exhaust pipe 8 in this embodiment, guarantees that the arc exhaust pipe 13 of each height all has the air current of equivalent to discharge.
In the present embodiment, the stirring tank 1 is made of glass or plastic. In this embodiment, the outer bottom wall of the stirring tank 1 is provided with a heating device, in this embodiment, the glass is heat-conducting glass, and the plastic is heat-conducting plastic.
In this embodiment, an air pressure sensor is disposed in the inner cavity of the stirring tank 1. Because the gas flow stirring is adopted in the stirring process, the gas can be stirred in the solution, the gas pressure sensor is arranged to detect the gas pressure in the stirring tank 1, the value of the gas pressure is detected before the mixed liquid is stirred, after the mixed liquid is mixed, the value of the gas pressure is far lower than the value of the gas pressure before the stirring, a large amount of gas is mixed in the solution, and at the moment, the heating device is started to heat the mixed liquid to 50-60 ℃, so that the gas in the solution is discharged as soon as possible, and the quantity of the gas in the solution is ensured to be less.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. A preparation method of a noctilucent paint applied to a traffic guardrail is characterized by comprising the following steps: A. selecting noctilucent powder and paint, wherein the weight ratio of the noctilucent powder to the paint is 1: 1-1: 4;
B. adding the noctilucent powder into the stirrer, adding the coating until the coating completely covers the noctilucent powder, and standing for 0.5-1 h;
C. adding the rest coating into a stirrer and stirring uniformly.
2. The method for preparing a luminous coating applied to a traffic guardrail according to claim 1, wherein the coating is transparent ink or transparent paint.
3. The preparation method of the noctilucent paint applied to the traffic guardrail according to claim 1, wherein the stirrer comprises a stirring tank (1), a stirring motor, an annular table (4), a first annular plate (5) and a second annular plate (6), an inner cavity of the stirring tank (1) is cylindrical, a rotating shaft (2) is rotatably arranged on the top wall of the stirring tank (1), the top end of the rotating shaft (2) is connected with an output shaft of the stirring motor, a plurality of rotating sheets (3) are connected to the rotating shaft (2), the rotating sheets (3) are positioned in the inner cavity of the stirring tank (1), and the stirring motor is started to drive the rotating shaft (2) and the rotating sheets (3) to rotate to generate clockwise and horizontally-rotating airflow;
The top wall of the annular table (4) is connected with the inner top wall of the stirring tank (1), the outer circumferential wall of the annular table (4) is connected with the inner circumferential wall of the stirring tank (1), the inner wall of the annular table (4) integrally inclines downwards from the inner side to the outer side, the outer wall of the first annular plate (5) is connected with the inner wall of the annular table (4), the inner diameter of the first annular plate (5) is smaller than the inner diameter of the top end of the annular table (4), the top wall of the first annular plate (5) is provided with a first annular groove (11), the second annular plate (6) is positioned below the first annular plate (5) and the annular table (4), the outer circumferential wall of the second annular plate (6) is connected with the inner circumferential wall of the stirring tank (1), the inner diameter of the second annular plate (6) is smaller than the outer diameter of the first annular plate (5), the top wall of the second annular plate (6) is provided with a second annular groove (12), the height of the bottom end of the rotating sheet (3) is lower than that of the second annular plate (6), the top end of the rotating sheet (3) is higher than the first annular plate (5);
a first exhaust hole is formed in the bottom wall of the first annular groove (11), a middle exhaust pipe (8) is fixed in the middle of the bottom wall of the stirring tank (1), an air inlet pipe (9) is connected to the top end of the middle exhaust pipe (8), the top end of the air inlet pipe (9) is connected with the first exhaust hole, a plurality of arc exhaust pipes (13) are connected to the middle exhaust pipe (8), the arc exhaust pipes (13) are longitudinally distributed, the arc exhaust pipes (13) are horizontally arranged, and gas entering the arc exhaust pipes (13) from the middle exhaust pipe (8) is exhausted after clockwise moving in the arc exhaust pipes (13);
A plurality of exchange tubes (10) are arranged on the bottom wall of the stirring tank (1), the top ends of the exchange tubes (10) are communicated with a second annular groove (12), arc-shaped feeding tubes (14) and arc-shaped discharging tubes (15) which are horizontally arranged are connected onto the exchange tubes (10), the arc-shaped feeding tubes (14) are positioned above the arc-shaped discharging tubes (15), the solution moves clockwise into the arc-shaped feeding tubes (14) and then enters the arc-shaped discharging tubes (15) through the exchange tubes (10) and is discharged after clockwise movement of the arc-shaped discharging tubes (15), the heights of the arc-shaped feeding tubes (14) on the exchange tubes (10) are different, the heights of the arc-shaped discharging tubes (15) on the exchange tubes (10) are different, electromagnetic valves are arranged at the top ends of the exchange tubes (10), the exchange tubes (10) are divided into two groups, and the electromagnetic valves on the two groups of exchange tubes (10) are alternately opened;
the feeding pipe (7) penetrates through the top wall of the stirring tank (1) to enter the inner cavity of the stirring tank (1), the bottom end of the feeding pipe (7) is located below the second annular plate (6), a feeding valve is arranged on the feeding pipe (7), a discharge hole is formed in the bottom of the stirring tank (1), and a discharge valve is arranged at the discharge hole.
4. The method for preparing the noctilucent paint applied to the traffic guardrail as claimed in claim 3, wherein the arc-shaped exhaust duct (13) is provided with a one-way valve, and the one-way valve allows gas to be exhausted from the arc-shaped exhaust duct (13).
5. The method for preparing the noctilucent paint applied to the traffic guardrail according to claim 3, wherein a plurality of independent air exhaust channels are arranged in the middle exhaust duct (8), one arc exhaust duct (13) is communicated with one of the air exhaust channels, and the arc exhaust ducts (13) correspond to the air exhaust channels one by one.
6. The method for preparing the noctilucent paint applied to the traffic guardrail as claimed in claim 3, wherein the stirring tank (1) is made of glass or plastic.
7. The preparation method of the noctilucent paint applied to the traffic guardrail according to claim 3, wherein an air pressure sensor is arranged in an inner cavity of the stirring tank (1).
8. The preparation method of the luminous paint applied to the traffic guardrail as claimed in claim 7, wherein the outer bottom wall of the stirring tank (1) is provided with a heating device.
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| CN202210190324.0A CN114515536B (en) | 2022-02-28 | 2022-02-28 | Preparation method of noctilucent paint applied to traffic guardrail |
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| CN211159784U (en) * | 2019-11-27 | 2020-08-04 | 清远市贝客音涂料有限公司 | Stirring kettle reactor for chemical paint |
| CN112023754A (en) * | 2020-07-07 | 2020-12-04 | 翁杰 | Integrated slag removal and defoaming coating mixing method |
| CN215464408U (en) * | 2021-08-02 | 2022-01-11 | 绍兴孚原生物科技有限公司 | High-efficient reation kettle device of air current stirring formula screening |
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| CN114515536B (en) | 2023-01-03 |
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